Natural gas is the only fossil fuel set to increase its share in the energy mix of the United States, China, and India by 2050, even as oil and coal usage decline globally, S&P Global Commodity Insights has predicted. The report says that scalability and commercial challenges are the biggest obstacles that will hinder a direct shift from coal to renewables, making natural gas a critical bridge in the global energy transition. Fossil fuels continue to be the most dominant primary energy source across the globe despite the rapid growth…